The smallest unit of ecological organization is a single a. population. b. community. c. organism. d. ecosystem.

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2. which of the following is an incorrect statement? the idealrehabilitation program isa. never changed once written.b. based on the patient's age, injury, and other factors.c. monitored periodically to remain effective.d. re-evaluated if new injuries occur.

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?